Display screen with an animated graphical user interface



FIG. 1 is a first image in a sequence for a display screen with an animated graphical user interface;

FIG. 2 is a second image thereof; and,

FIG. 3 is a third image thereof.

The broken line showing of the outermost rectangle in the figures depicts environmental subject matter and forms no part of the claimed design. The remaining broken lines illustrate portions of the display screen with an animated graphical user interface that form no part of the claimed design.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-3. The process or period in which one image transitions to another forms no part of the claimed design. 

CLAIM The ornamental design for a display screen with an animated graphical user interface, as shown and described. 